Array of Articles of Manufacture

ABSTRACT

First and second toilet tissue product packages. The product packages can include a first toilet tissue product exhibiting a first lint value and a second toilet tissue product exhibiting a second lint value which is different than the first lint value. The first toilet tissue product can be at least two plies and housed within the first toilet tissue product package and the second toilet tissue product can be at least two plies and housed within the second toilet tissue product package. The first toilet tissue product package can be displayed on a store shelf separate from the second toilet tissue product package in a way that the first and second toilet tissue product packages are visible to a consumer during the consumer&#39;s purchasing decision process and they are designed to be sold individually. The first and second toilet tissue product packages each have a common single source identifier.

CROSS REFERENCE TO RELATED APPLICATION

This application is a Continuation of Application Ser. No. 11/344,331;filed Jan. 31, 2006; which claimed the benefit of U.S. ProvisionalApplication No. 60/648,569 filed Jan. 31, 2005.

FIELD OF THE INVENTION

The present invention relates to an array of articles of manufacture,more particularly, to an array of sanitary tissue products each of whichcomprises a different common intensive property value different from theothers.

BACKGOUND OF THE INVENTION

In the past, consumers of articles of manufacture, especially sanitarytissue products, have had the opportunity to purchase articles ofmanufacture that have similar common intensive property values but havediffered in physical form and/or additives contained within the articlesof manufacture. For example, sanitary tissue products are currentlyoffered in physical forms that vary by number of plies, most oftenone-ply or two-ply. In addition, some sanitary tissue products may addadditives, such as lotion, to the fibrous structures that make up thesanitary tissue products. For example, Charmin® brand toilet tissuecomes in a two-ply physical form under the name Charmin® Ultra, whereasits one-ply physical form is marketed under the name Charmin® and/orCharmin® Plus and/or Charmin® Scents.

It is believed that different consumers, especially consumers ofsanitary tissue products, desire different common intensive propertyvalues in the articles of manufacture that they purchase. However,conventional product and marketing strategies utilized by producers ofarticles of manufacture, especially of sanitary tissue products, fail tosatisfy the consumers' desires.

Accordingly, there is a need for an array of articles of manufactureeach of which comprises a different common intensive property valuedifferent from the others, processes for displaying such an array forthe consumer to choose amongst the array of articles of manufacture andprocesses for making the array of articles of manufacture.

SUMMARY OF THE INVENTION

An array of toilet tissue products is disclosed. The array can include afirst toilet tissue product exhibiting a first lint value and a secondtoilet tissue product exhibiting a second lint value which is differentthan the first lint value. The first toilet tissue product can be atleast two plies and housed within a first toilet tissue product packageand wherein the second toilet tissue product can be at least two pliesand housed within a second toilet tissue product package. The firsttoilet tissue product package can be displayed on a store shelf separatefrom the second toilet tissue product package in a way that the firstand second toilet tissue product packages are visible to a consumerduring the consumer's purchasing decision process and they are designedto be sold individually. The first and second toilet tissue productpackages each have a common single source identifier.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic illustration of an array of articles ofmanufacture in accordance with the present invention.

FIG. 2 is a schematic illustration of an article of manufacture usefulin an array of articles of manufacture in accordance with the presentinvention.

DETAILED DESCRIPTION OF THE INVENTION Definitions

“Array of Articles of Manufacture” as used herein means a group ofconsumer products/goods that provide a similar benefit to a consumer. Inother words, an array of articles of manufacture includes a group ofconsumer products/goods within a category such as sanitary tissueproducts. In one case, such a group of consumer products/goods includesthose products/goods residing on the same shelf in a retail store and/orin the same aisle in a retail store. For example, sanitary tissueproducts are an array of articles of manufacture.

“Fiber” as used herein means an elongate particulate having an apparentlength greatly exceeding its apparent diameter, i.e. a length todiameter ratio of at least about 10. Fibers having a non-circularcross-section are common; the “diameter” in this case may be consideredto be the diameter of a circle having cross-sectional area equal to thecross-sectional area of the fiber. More specifically, as used herein,“fiber” refers to papermaking fibers. The present invention contemplatesthe use of a variety of papermaking fibers, such as, for example,natural fibers or synthetic fibers, or any other suitable fibers, andany combination thereof.

Natural papermaking fibers useful in the present invention includeanimal fibers, mineral fibers, plant fibers and mixtures thereof Animalfibers may, for example, be selected from the group consisting of: wool,silk and mixtures thereof. Plant fibers may, for example, be derivedfrom a plant selected from the group consisting of: wood, cotton, cottonlinters, flax, sisal, abaca, hemp, hesperaloe, jute, bamboo, bagasse,kudzu, corn, sorghum, gourd, agave, loofah and mixtures thereof.

Wood fibers; often referred to as wood pulps include chemical pulps,such as kraft (sulfate) and sulfite pulps, as well as mechanical andsemi-chemical pulps including, for example, groundwood, thermomechanicalpulp, chemi-mechanical pulp (CMP), chemi-thermomechanical pulp (CTMP),neutral semi-chemical sulfite pulp (NSCS). Chemical pulps, however, maybe preferred since they impart a superior tactile sense of softness totissue sheets made therefrom. Pulps derived from both deciduous trees(hereinafter, also referred to as “hardwood”) and coniferous trees(hereinafter, also referred to as “softwood”) may be utilized. Thehardwood and softwood fibers can be blended, or alternatively, can bedeposited in layers to provide a stratified and/or layered web. U.S.Pat. No. 4,300,981 and U.S. Pat. No. 3,994,771 are incorporated hereinby reference for the purpose of disclosing layering of hardwood andsoftwood fibers. Also applicable to the present invention are fibersderived from recycled paper, which may contain any or all of the abovecategories as well as other non-fibrous materials such as fillers andadhesives used to facilitate the original papermaking.

The wood pulp fibers may be short (typical of hardwood fibers) or long(typical of softwood fibers). Nonlimiting examples of short fibersinclude fibers derived from a fiber source selected from the groupconsisting of Acacia, Eucalyptus, Maple, Oak, Aspen, Birch, Cottonwood,Alder, Ash, Cherry, Elm, Hickory, Poplar, Gum, Walnut, Locust, Sycamore,Beech, Catalpa, Sassafras, Gmelina, Albizia, Anthocephalus, andMagnolia. Nonlimiting examples of long fibers include fibers derivedfrom Pine, Spruce, Fir, Tamarack, Hemlock, Cypress, and Cedar. Softwoodfibers derived from the kraft process and originating from more-northernclimates may be preferred. These are often referred to as northernsoftwood kraft (NSK) pulps.

Synthetic fibers may be selected from the group consisting of: wet spunfibers, dry spun fibers, melt spun (including melt blown) fibers,synthetic pulp fibers and mixtures thereof. Synthetic fibers may, forexample, be comprised of cellulose (often referred to as “rayon”);cellulose derivatives such as esters, ether, or nitrous derivatives;polyolefins (including polyethylene and polypropylene); polyesters(including polyethylene terephthalate); polyamides (often referred to as“nylon”); acrylics; non-cellulosic polymeric carbohydrates (such asstarch, chitin and chitin derivatives such as chitosan); and mixturesthereof.

“Fibrous structure” as used herein means a structure that comprises oneor more fibers. Nonlimiting examples of processes for making fibrousstructures include known wet-laid papermaking processes and air-laidpapermaking processes. Such processes typically include steps ofpreparing a fiber composition, oftentimes referred to as a fiber slurryin wet-laid processes, either wet or dry, and then depositing aplurality of fibers onto a forming wire or belt such that an embryonicfibrous structure is formed, drying and/or bonding the fibers togethersuch that a fibrous structure is formed, and/or further processing thefibrous structure such that a finished fibrous structure is formed. Forexample, in typical papermaking processes, the finished fibrousstructure is the fibrous structure that is wound on the reel at the endof papermaking, but before converting thereof into a sanitary tissueproduct. In one example, the fibrous structure is a wet-laid fibrousstructure.

“Sanitary tissue product” comprises one or more finished fibrousstructures, converted or not, that is useful as a wiping implement forpost-urinary and post-bowel movement cleaning (toilet tissue), forotorhinolaryngological discharges (facial tissue), and multi-functionalabsorbent and cleaning uses (absorbent towels).

“Ply” or “Plies” as used herein means an individual finished fibrousstructure optionally to be disposed in a substantially contiguous,face-to-face relationship with other plies, forming a multiple ply(“multi-ply”) finished fibrous structure product and/or sanitary tissueproduct. It is also contemplated that a single fibrous structure caneffectively form two “plies” or multiple “plies”, for example, by beingfolded on itself.

“Intensive Property” as used herein means a property of a fibrousstructure and/or sanitary tissue product, wherein the property isselected from the group consisting of: lint, softness, basis weight,texture, tensile strength, absorbency and mixtures thereof.

“Value of a Common Intensive Property” as used herein means a measuredvalue of an intensive property that is present in two or more articlesof manufacture.

“Basis Weight” as used herein is the weight per unit area of a samplereported in lbs/3000 ft² or g/m². Basis weight is measured by preparingone or more samples of a certain area (m²) and weighing the sample(s) ofa fibrous structure according to the present invention and/or a sanitarytissue product comprising such fibrous structure on a top loadingbalance with a minimum resolution of 0.01 g. The balance is protectedfrom air drafts and other disturbances using a draft shield. Weights arerecorded when the readings on the balance become constant. The averageweight (g) is calculated and the average area of the samples (m²). Thebasis weight (g/m²) is calculated by dividing the average weight (g) bythe average area of the samples (m²). In one embodiment, the fibrousstructures and/or sanitary tissue products according to the presentinvention exhibit a basis weight of from about 10 g/m² to about 120 g/m²and/or from about 20 g/m² to about 60 g/m².

“Machine Direction” or “MD” as used herein means the direction parallelto the flow of the fibrous structure through the papermaking machineand/or product manufacturing equipment.

“Cross Machine Direction” or “CD” as used herein means the directionperpendicular to the machine direction in the same plane of the fibrousstructure and/or sanitary tissue product comprising the fibrousstructure.

“Dry Tensile Strength” (or simply “Tensile Strength” as used herein) ofa fibrous structure and/or sanitary tissue product is measured asfollows. One (1) inch by five (5) inch (2.5 cm ×12.7 cm) strips offibrous structure and/or sanitary tissue product are provided. The stripis placed on an electronic tensile tester Model 1122 commerciallyavailable from Instron Corp., Canton, Mass. in a conditioned room at atemperature of 73° F. ±4° F. (about 28° C. ±2.2° C.) and a relativehumidity of 50% ±10%. The crosshead speed of the tensile tester is 2.0inches per minute (about 5.1 cm/minute) and the gauge length is 4.0inches (about 10.2 cm). The Dry Tensile Strength can be measured in anydirection by this method. The “Total Dry Tensile Strength” or “TDT” isthe special case determined by the arithmetic total of MD and CD tensilestrengths of the strips.

“Absorbency” as used herein means the characteristic of the fibrousstructure which allows it to take up and retain fluids, particularlywater and aqueous solutions and suspensions. In evaluating theabsorbency of paper, not only is the absolute quantity of fluid a givenamount of paper will hold significant, but the rate at which the paperwill absorb the fluid is also. Absorbency is measured herein by theHorizontal Full Sheet (HFS) test method described in the Test Methodssection herein. In one embodiment, the fibrous structures and/orsanitary tissue products according to the present invention exhibits anHFS absorbency of greater than about 5 g/g and/or greater than about 8g/g and/or greater than about 10 g/g up to about 100 g/g. In anothernonlimiting embodiment, the fibrous structures and/or sanitary tissueproducts according to the present invention exhibit an HFS absorbency offrom about 12 g/g to about 20 g/g.

“Lint” as used herein means any material that originated from a finishedfibrous structure and/or sanitary tissue product comprising suchfinished fibrous structure that remains on a surface after which thefinished fibrous structure and/or sanitary tissue product comprisingsuch finished fibrous structure has come into contact. The lint value ofa finished fibrous structure and/or sanitary tissue product comprisingsuch finished fibrous structure is determined according to the Lint TestMethod described herein.

“Texture” as used herein means any pattern present in the fibrousstructure. For example, a pattern may be imparted to the fibrousstructure during the papermaking process, such as during athrough-air-drying step. A pattern may also be imparted to the fibrousstructure by embossing the finished fibrous structure during theconverting process.

“Softness” of a fibrous structure according to the present inventionand/or a paper product comprising such fibrous structure is determinedas follows. Ideally, prior to softness testing, the samples to be testedshould be conditioned according to Tappi Method #T4020M-88. Here,samples are preconditioned for 24 hours at a relative humidity level of10 to 35% and within a temperature range of 22° C. to 40° C. After thispreconditioning step, samples should be conditioned for 24 hours at arelative humidity of 48% to 52% and within a temperature range of 22° C.to 24° C. Ideally, the softness panel testing should take place withinthe confines of a constant temperature and humidity room. If this is notfeasible, all samples, including the controls, should experienceidentical environmental exposure conditions.

Softness testing is performed as a paired comparison in a form similarto that described in “Manual on Sensory Testing Methods”, ASTM SpecialTechnical Publication 434, published by the American Society For Testingand Materials 1968 and is incorporated herein by reference. Softness isevaluated by subjective testing using what is referred to as a PairedDifference Test. The method employs a standard external to the testmaterial itself. For tactile perceived softness two samples arepresented such that the subject cannot see the samples, and the subjectis required to choose one of them on the basis of tactile softness. Theresult of the test is reported in what is referred to as Panel ScoreUnit (PSU). With respect to softness testing to obtain the softness datareported herein in PSU, a number of softness panel tests are performed.In each test ten practiced softness judges are asked to rate therelative softness of three sets of paired samples. The pairs of samplesare judged one pair at a time by each judge: one sample of each pairbeing designated X and the other Y. Briefly, each X sample is gradedagainst its paired Y sample as follows:

1. a grade of plus one is given if X is judged to may be a little softerthan Y, and a grade of minus one is given if Y is judged to may be alittle softer than X;

2. a grade of plus two is given if X is judged to surely be a littlesofter than Y, and a grade of minus two is given if Y is judged tosurely be a little softer than X;

3. a grade of plus three is given to X if it is judged to be a lotsofter than Y, and a grade of minus three is given if Y is judged to bea lot softer than X; and, lastly:

4. a grade of plus four is given to X if it is judged to be a whole lotsofter than Y, and a grade of minus 4 is given if Y is judged to be awhole lot softer than X.

The grades are averaged and the resultant value is in units of PSU. Theresulting data are considered the results of one panel test. If morethan one sample pair is evaluated then all sample pairs are rank orderedaccording to their grades by paired statistical analysis. Then, the rankis shifted up or down in value as required to give a zero PSU value towhich ever sample is chosen to be the zero-base standard. The othersamples then have plus or minus values as determined by their relativegrades with respect to the zero base standard. The number of panel testsperformed and averaged is such that about 0.2 PSU represents asignificant difference in subjectively perceived softness.

All percentages and ratios are calculated by weight unless otherwiseindicated. All percentages and ratios are calculated based on the totalcomposition unless otherwise indicated.

Unless otherwise noted, all component or composition levels are inreference to the active level of that component or composition, and areexclusive of impurities, for example, residual solvents or by-products,which may be present in commercially available sources.

Array of Articles of Manufacture

In one example, an array of articles of manufacture in accordance withthe present invention may comprise a plurality of single- and/ormulti-ply sanitary tissue products. The sanitary tissue products may bedry and/or wet. The sanitary tissue products may come in a variety ofroll sizes and may be packaged in different numbers, such as four, six,nine, twenty-four, and the like. The plurality of sanitary tissueproducts may displayed on a shelf at a point of sale, such as within aretail store, in such as way that the different sanitary tissue productswithin the array are visible to a consumer during the consumer'spurchasing decision process.

The array of sanitary tissue products of the present invention maycomprise two or more multi-ply sanitary tissue products, such as two ormore two-ply sanitary tissue products. The array may comprise at leastone single-ply sanitary tissue product. The array may comprise a mixtureof single-ply and multi-ply sanitary tissue products.

The array of sanitary tissue products may comprise two or more sanitarytissue products each of which comprises at least one value of a commonintensive property that is different from at least the others.

The array of sanitary tissue products may comprise a single-ply sanitarytissue product that comprises at least one value of a common intensiveproperty that is different from at least one multi-ply sanitary tissueproduct within the array of sanitary tissue products.

The array of sanitary tissue products may comprises a single-plysanitary tissue product that comprises at least one value of a commonintensive property that is different from the two or more multi-plysanitary tissue products within the array of sanitary tissue products.

The array of sanitary tissue products may comprise two or moresingle-ply sanitary tissue products each of which comprises at least onevalue of a common intensive property that is different from the others.

The sanitary tissue products within the array of sanitary tissueproducts may differ in at least one value of a common intensive propertyselected from the group consisting of: lint, softness, tensile strength,basis weight, texture, absorbency and mixtures thereof.

The two or more sanitary tissue products within the array of sanitarytissue products may differ in price, for example differ in retail priceto a consumer.

The sanitary tissue products within the array of sanitary tissueproducts may differ in price from each other, for example differ inretail price to a consumer.

Fibrous Structures

Nonlimiting types of finished fibrous structures according to thepresent invention include conventionally felt-pressed fibrousstructures; pattern densified fibrous structures; and high-bulk,uncompacted fibrous structures. The fibrous structures may be of ahomogenous or multilayered (two or three or more layers) construction;and the sanitary tissue products made therefrom may be of a single-plyor multi-ply construction.

The finished fibrous structures and/or sanitary tissue products of thepresent invention may exhibit a basis weight of between about 10 g/m² toabout 120 g/m² and/or from about 14 g/m² to about 80 g/m² and/or fromabout 20 g/m² to about 60 g/m².

The finished fibrous structures and/or sanitary tissue products of thepresent invention may exhibit a total dry tensile strength of greaterthan about 59 g/cm (150 g/in) and/or from about 78 g/cm (200 g/in) toabout 394 g/cm (1000 g/in) and/or from about 98 g/cm (250 g/in) to about335 g/cm (850 g/in).

The finished fibrous structure and/or sanitary tissue products of thepresent invention may exhibit a density of less than about 0.60 g/cm³and/or less than about 0.30 g/cm³ and/or less than about 0.20 g/cm³and/or less than about 0.10 g/cm³ and/or less than about 0.07 g/cm³and/or less than about 0.05 g/cm³ and/or from about 0.01 g/cm³ to about0.20 g/cm³ and/or from about 0.02 g/cm³ to about 0.10 g/cm3.

In one example, the finished fibrous structure of the present inventionis a pattern densified fibrous structure characterized by having arelatively high-bulk region of relatively low fiber density and an arrayof densified regions of relatively high fiber density. The high-bulkfield is characterized as a field of pillow regions. The densified zonesare referred to as knuckle regions. The knuckle regions exhibit greaterdensity than the pillow regions. The densified zones may be discretelyspaced within the high-bulk field or may be interconnected, either fullyor partially, within the high-bulk field. Typically, from about 8% toabout 65% of the fibrous structure surface comprises densified knuckles,the knuckles may exhibit a relative density of at least 125% of thedensity of the high-bulk field. Processes for making pattern densifiedfibrous structures are well known in the art as exemplified in U.S. Pat.Nos. 3,301,746, 3,974,025, 4,191,609 and 4,637,859.

Article of Manufacture

In one example, the article of manufacture in accordance with thepresent invention comprises a sanitary tissue product according to thepresent invention and a package housing said sanitary tissue product.The package may be configured such that the sanitary tissue product isvisible to a consumer, especially at the time and/or point of sale orpurchase decision of the article of manufacture by the consumer.

In addition, the package may comprise a common single source indicator,such as a trademark.

As shown in FIG. 1, an array of articles of manufacture 10 comprisesthree or more articles of manufacture 12, 14, 16. Each article ofmanufacture comprises at least one value of a common intensive propertythat is different from the others. Further, each article of manufacturecomprises a consumer product 12′, 14′, 16′ that is packaged (housed)within a package 12″, 14″, 16″. Each package 12″, 14″, 16″ comprises acommon single source identifier represented by the letter “A” in FIG. 1.

In one example of the present invention, each package 12″, 14″, 16″ mayalso comprise a separate, independent product designation represented bythe letters “B”, “C”, “D” respectively. The product designationfunctions to delineate the consumer products within the array ofarticles of manufacture so the consumer can choose the consumer'sdesired consumer product.

FIG. 2 shows a single article of manufacture 18 that can be a part of anarray of articles of manufacture in accordance with the presentinvention. The article of manufacture 18 may comprise a plurality ofconsumer products 18′. The consumer products 18′ may be packaged(housed) within a package 18″. The package 18″ comprises a single sourceidentifier represented by the letter “A”. The package 18″ may alsocomprise a separate, independent product designation represented by theletter “B”.

Any suitable material may be used for the package. For example, plasticmaterials, cardboard materials, other paper materials may be used. Inone example, the package is a polywrap material.

Each package containing a sanitary tissue product may comprise a commonsingle source identifier. The common single source identifier maycomprise a trademark.

Each package may comprise a separate, independent product designation bywhich a consumer can differentiate one of the sanitary tissue productsfrom another.

The package in accordance with the present invention may comprise anon-verbal cue, [such as word(s), symbol(s), representation(s)], thatconnotes strength.

The package in accordance with the present invention may comprise anon-verbal cue, [such as word(s), symbol(s), representation(s)], thatconnotes softness.

The package may comprise a representation of a texture present on thesanitary tissue product within the package.

The package may comprise information about at least two other sanitarytissue products within the array of sanitary tissue products.

The package may comprise information about various roll sizes in whichthe sanitary tissue product within the package is available.

Process for Displaying an Array of Articles of Manufacture

The array of articles of manufacture in accordance with the presentinvention may be displayed, especially in a retail store.

In one example, a process for displaying an array of articles ofmanufacture comprises a step of displaying an array of articles ofmanufacture comprising three or more articles of manufacture whereineach of the three or more articles of manufacture exhibit at least onevalue of a common intensive property that is different from the others,wherein each of the three or more articles of manufacture are packagedin a package comprising a common single source identifier such that aconsumer desiring to purchase one of the articles of manufacture has theopportunity to choose one of the three or more articles of manufacture.

Process for Making an Array of Articles of Manufacture

In one example, a process for making an array of articles of manufacturecomprises the steps of:

a. producing a first article of manufacture;

b. producing a second article of manufacture;

c. producing a third article of manufacture; and

d. packaging the first, second and third articles of manufacture inpackages comprising a common single source identifier and a separate,independent product designation that delineates the first, second andthird articles of manufacture from each other, wherein the first, secondand third articles of manufacture exhibit at least one value of a commonintensive property that is different from the others.

Test Methods Lint Test Method:

The amount of lint generated from a finished fibrous structure isdetermined with a Sutherland Rub Tester. This tester uses a motor to ruba weighted felt 5 times over the finished fibrous structure, while thefinished fibrous structure is restrained in a stationary position. Thisfinished fibrous structure can be is referred to throughout this methodas the “web”. The Hunter Color L value is measured before and after therub test. The difference between these two Hunter Color L values is thenused to calculate a lint value. This lint method is designed to be usedwith white or substantially white fibrous structures and/or sanitarytissue products. Therefore, if testing of a non-white tissue, such asblue-colored or peach-colored tissue is desired, the same formulationshould be used to make a sample without the colored dye, pigment, etc,using bleached kraft pulps.

i. Sample Preparation

Prior to the lint rub testing, the samples to be tested should beconditioned according to Tappi Method #T4020M-88. Here, samples arepreconditioned for 24 hours at a relative humidity level of 10 to 35%and within a temperature range of 22° C. to 40° C. After thispreconditioning step, samples should be conditioned for 24 hours at arelative humidity of 48 to 52% and within a temperature range of 22° C.to 24° C. This rub testing should also take place within the confines ofthe constant temperature and humidity room.

The Sutherland Rub Tester may be obtained from Testing Machines, Inc.(Amityville, N.Y., 1701). The web is first prepared by removing anddiscarding any product which might have been abraded in handling, e.g.on the outside of the roll. For products formed from multiple plies ofwebs, this test can be used to make a lint measurement on the multi-plyproduct, or, if the plies can be separated without damaging thespecimen, a measurement can be taken on the individual plies making upthe product. If a given sample differs from surface to surface, it isnecessary to test both surfaces and average the values in order toarrive at a composite lint value. In some cases, products are made frommultiple-plies of webs such that the facing-out surfaces are identical,in which case it is only necessary to test one surface. If both surfacesare to be tested, it is necessary to obtain six specimens for testing(Single surface testing only requires three specimens). Each specimenshould be folded in half such that the crease is running along the crossdirection (CD) of the web sample. For two-surface testing, make up 3samples with a first surface “out” and 3 with the second-side surface“out”. Keep track of which samples are first surface “out” and which aresecond surface out.

Obtain a 30″×40″ piece of Crescent #300 cardboard from Cordage Inc. (800E. Ross Road, Cincinnati, Ohio, 45217). Using a paper cutter, cut outsix pieces of cardboard of dimensions of 2.5″ 6″. Puncture two holesinto each of the six cards by forcing the cardboard onto the hold downpins of the Sutherland Rub tester.

Center and carefully place each of the 2.5×6″ cardboard pieces on top ofthe six previously folded samples. Make sure the 6″ dimension of thecardboard is running parallel to the machine direction (MD) of each ofthe tissue samples. Center and carefully place each of the cardboardpieces on top of the three previously folded samples. Once again, makesure the 6″ dimension of the cardboard is running parallel to themachine direction (MD) of each of the web samples.

Fold one edge of the exposed portion of the web specimen onto the backof the cardboard. Secure this edge to the cardboard with adhesive tapeobtained from 3M Inc. (¾″ wide Scotch Brand, St. Paul, Minn.). Carefullygrasp the other over-hanging tissue edge and snugly fold it over ontothe back of the cardboard. While maintaining a snug fit of the webspecimen onto the board, tape this second edge to the back of thecardboard. Repeat this procedure for each sample.

Turn over each sample and tape the cross direction edge of the webspecimen to the cardboard. One half of the adhesive tape should contactthe web specimen while the other half is adhering to the cardboard.Repeat this procedure for each of the samples. If the tissue samplebreaks, tears, or becomes frayed at any time during the course of thissample preparation procedure, discard and make up a new sample with anew tissue sample strip.

There will now be 3 first-side surface “out” samples on cardboard and(optionally) 3 second-side surface “out” samples on cardboard.

ii. Felt Preparation

Obtain a 30″×40″ piece of Crescent #300 cardboard from Cordage Inc. (800E. Ross Road, Cincinnati, Ohio, 45217). Using a paper cutter, cut outsix pieces of cardboard of dimensions of 2.25″×7.25″. Draw two linesparallel to the short dimension and down 1.125″ from the top and bottommost edges on the white side of the cardboard. Carefully score thelength of the line with a razor blade using a straight edge as a guide.Score it to a depth about half way through the thickness of the sheet.This scoring allows the cardboard/felt combination to fit tightly aroundthe weight of the Sutherland Rub tester. Draw an arrow running parallelto the long dimension of the cardboard on this scored side of thecardboard.

Cut the six pieces of black felt (F-55 or equivalent from New EnglandGasket, 550 Broad Street, Bristol, Conn. 06010) to the dimensions of2.25″×8.5″×0.0625″. Place the felt on top of the unscored, green side ofthe cardboard such that the long edges of both the felt and cardboardare parallel and in alignment. Make sure the fluffy side of the felt isfacing up. Also allow about 0.5″ to overhang the top and bottom mostedges of the cardboard. Snugly fold over both overhanging felt edgesonto the backside of the cardboard with Scotch brand tape. Prepare atotal of six of these felt/cardboard combinations.

For best reproducibility, all samples should be run with the same lot offelt. Obviously, there are occasions where a single lot of felt becomescompletely depleted. In those cases where a new lot of felt must beobtained, a correction factor should be determined for the new lot offelt. To determine the correction factor, obtain a representative singleweb sample of interest, and enough felt to make up 24 cardboard/feltsamples for the new and old lots.

As described below and before any rubbing has taken place, obtain HunterL readings for each of the 24 cardboard/felt samples of the new and oldlots of felt.

Calculate the averages for both the 24 cardboard/felt samples of the oldlot and the 24 cardboard/felt samples of the new lot.

Next, rub test the 24 cardboard/felt boards of the new lot and the 24cardboard/felt boards of the old lot as described below. Make sure thesame web lot number is used for each of the 24 samples for the old andnew lots. In addition, sampling of the web in the preparation of thecardboard/tissue samples must be done so the new lot of felt and the oldlot of felt are exposed to as representative as possible of a tissuesample. Discard any product which might have been damaged or abraded.Next, obtain 48 web samples for the calibration. Place the first sampleon the far left of the lab bench and the last of the 48 samples on thefar right of the bench. Mark the sample to the far left with the number“1” in a 1 cm by 1 cm area of the corner of the sample. Continue to markthe samples consecutively up to 48 such that the last sample to the farright is numbered 48.

Use the 24 odd numbered samples for the new felt and the 24 evennumbered samples for the old felt. Order the odd number samples fromlowest to highest. Order the even numbered samples from lowest tohighest. Now, mark the lowest number for each set with a letter “F” (for“first-side”) Mark the next highest number with the letter “S” (forsecond-side). Continue marking the samples in this alternating “F”/“S”pattern. Use the “F” samples for first surface “out” lint analyses andthe “S” samples for second-side surface “out” lint analyses. There arenow a total of 24 samples for the new lot of felt and the old lot offelt. Of this 24, twelve are for first-side surface “out” lint analysisand 12 are for second-side surface “out” lint analysis.

Rub and measure the Hunter Color L values for all 24 samples of the oldfelt as described below. Record the 12 first-side surface Hunter Color Lvalues for the old felt. Average the 12 values. Record the 12second-side surface Hunter Color L values for the old felt. Average the12 values. Subtract the average initial un-rubbed Hunter Color L feltreading from the average Hunter Color L reading for the first-sidesurface rubbed samples. This is the delta average difference for thefirst-side surface samples. Subtract the average initial un-rubbedHunter Color L felt reading from the average Hunter Color L reading forthe second-side surface rubbed samples. This is the delta averagedifference for the second-side surface samples. Calculate the sum of thedelta average difference for the first-side surface and the deltaaverage difference for the second-side surface and divide this sum by 2.This is the uncorrected lint value for the old felt. If there is acurrent felt correction factor for the old felt, add it to theuncorrected lint value for the old felt. This value is the correctedLint Value for the old felt.

Rub and measure the Hunter Color L values for all 24 samples of the newfelt as described below. Record the 12 first-side surface Hunter Color Lvalues for the new felt. Average the 12 values. Record the 12second-side surface Hunter Color L values for the new felt. Average the12 values. Subtract the average initial un-rubbed Hunter Color L feltreading from the average Hunter Color L reading for the first-sidesurface rubbed samples. This is the delta average difference for thefirst-side surface samples. Subtract the average initial un-rubbedHunter Color L felt reading from the average Hunter Color L reading forthe second-side surface rubbed samples. This is the delta averagedifference for the second-side surface samples. Calculate the sum of thedelta average difference for the first side surface and the deltaaverage difference for the second-side surface and divide this sum by 2.This is the uncorrected lint value for the new felt.

Take the difference between the corrected Lint Value from the old feltand the uncorrected lint value for the new felt. This difference is thefelt correction factor for the new lot of felt. Adding this feltcorrection factor to the uncorrected lint value for the new felt shouldbe identical to the corrected Lint Value for the old felt. Note that theabove procedure implies that the calibration is done with a two-surfacedspecimen. If it desirable or necessary to do a felt calibration using asingle-surfaced sample, it is satisfactory; however, the total of 24tests should still be done for each felt.

iii. Care of 4 Pound Weight

The four pound weight has four square inches of effective contact areaproviding a contact pressure of one pound per square inch. Since thecontact pressure can be changed by alteration of the rubber pads mountedon the face of the weight, it is important to use only the rubber padssupplied by the manufacturer (Brown Inc., Mechanical ServicesDepartment, Kalamazoo, Mich.). These pads must be replaced if theybecome hard, abraded or chipped off. When not in use, the weight must bepositioned such that the pads are not supporting the full weight of theweight. It is best to store the weight on its side.

iv. Rub Tester Instrument Calibration

The Sutherland Rub Tester must first be calibrated prior to use. First,turn on the Sutherland Rub Tester by moving the tester switch to the“cont” position. When the tester arm is in its position closest to theuser, turn the tester's switch to the “auto” position. Set the tester torun 5 strokes by moving the pointer arm on the large dial to the “five”position setting. One stroke is a single and complete forward andreverse motion of the weight. The end of the rubbing block should be inthe position closest to the operator at the beginning and at the end ofeach test.

Prepare a test specimen on cardboard sample as described above. Inaddition, prepare a felt on cardboard sample as described above. Both ofthese samples will be used for calibration of the instrument and willnot be used in the acquisition of data for the actual samples.

Place this calibration web sample on the base plate of the tester byslipping the holes in the board over the hold-down pins. The hold-downpins prevent the sample from moving during the test. Clip thecalibration felt/cardboard sample onto the four pound weight with thecardboard side contacting the pads of the weight. Make sure thecardboard/felt combination is resting flat against the weight. Hook thisweight onto the tester arm and gently place the tissue sample underneaththe weight/felt combination. The end of the weight closest to theoperator must be over the cardboard of the web sample and not the websample itself. The felt must rest flat on the tissue sample and must bein 100% contact with the web surface. Activate the tester by depressingthe “push” button.

Keep a count of the number of strokes and observe and make a mental noteof the starting and stopping position of the felt covered weight inrelationship to the sample. If the total number of strokes is five andif the end of the felt covered weight closest to the operator is overthe cardboard of the web sample at the beginning and end of this test,the tester is calibrated and ready to use. If the total number ofstrokes is not five or if the end of the felt covered weight closest tothe operator is over the actual web sample either at the beginning orend of the test, repeat this calibration procedure until 5 strokes arecounted the end of the felt covered weight closest to the operator issituated over the cardboard at the both the start and end of the test.During the actual testing of samples, monitor and observe the strokecount and the starting and stopping point of the felt covered weight.Recalibrate when necessary.

v. Hunter Color Meter Calibration

Adjust the Hunter Color Difference Meter for the black and whitestandard plates according to the procedures outlined in the operationmanual of the instrument. Also run the stability check forstandardization as well as the daily color stability check if this hasnot been done during the past eight hours. In addition, the zeroreflectance must be checked and readjusted if necessary. Place the whitestandard plate on the sample stage under the instrument port. Releasethe sample stage and allow the sample plate to be raised beneath thesample port. Using the “L-Y”, “a-X”, and “b-Z” standardizing knobs,adjust the instrument to read the Standard White Plate Values of “L”,“a”, and “b” when the “L”, “a”, and “b” push buttons are depressed inturn.

vi. Measurement of Samples

The first step in the measurement of lint is to measure the Hunter colorvalues of the black felt/cardboard samples prior to being rubbed on theweb sample. The first step in this measurement is to lower the standardwhite plate from under the instrument port of the Hunter colorinstrument. Center a felt covered cardboard, with the arrow pointing tothe back of the color meter, on top of the standard plate. Release thesample stage, allowing the felt covered cardboard to be raised under thesample port.

Since the felt width is only slightly larger than the viewing areadiameter, make sure the felt completely covers the viewing area. Afterconfirming complete coverage, depress the L push button and wait for thereading to stabilize. Read and record this L value to the nearest 0.1unit.

If a D25D2A head is in use, lower the felt covered cardboard and plate,rotate the felt covered cardboard 90° so the arrow points to the rightside of the meter. Next, release the sample stage and check once more tomake sure the viewing area is completely covered with felt. Depress theL push button. Read and record this value to the nearest 0.1 unit. Forthe D25D2M unit, the recorded value is the Hunter Color L value. For theD25D2A head where a rotated sample reading is also recorded, the HunterColor L value is the average of the two recorded values.

Measure the Hunter Color L values for all of the felt covered cardboardsusing this technique. If the Hunter Color L values are all within 0.3units of one another, take the average to obtain the initial L reading.If the Hunter Color L values are not within the 0.3 units, discard thosefelt/cardboard combinations outside the limit. Prepare new samples andrepeat the Hunter Color L measurement until all samples are within 0.3units of one another.

For the measurement of the actual web sample/cardboard combinations,place the web sample/cardboard combination on the base plate of thetester by slipping the holes in the board over the hold-down pins. Thehold-down pins prevent the sample from moving during the test. Clip thecalibration felt/cardboard sample onto the four pound weight with thecardboard side contacting the pads of the weight. Make sure thecardboard/felt combination is resting flat against the weight Hook thisweight onto the tester arm and gently place the web sample underneaththe weight/felt combination. The end of the weight closest to theoperator must be over the cardboard of the web sample and not the websample itself. The felt must rest flat on the web sample and must be in100% contact with the web surface.

Next, activate the tester by depressing the “push” button. At the end ofthe five strokes the tester will automatically stop. Note the stoppingposition of the felt covered weight in relation to the sample. If theend of the felt covered weight toward the operator is over cardboard,the tester is operating properly. If the end of the felt covered weighttoward the operator is over sample, disregard this measurement andrecalibrate as directed above in the Sutherland Rub Tester Calibrationsection.

Remove the weight with the felt covered cardboard. Inspect the websample. If torn, discard the felt and web sample and start over. If theweb sample is intact, remove the felt covered cardboard from the weight.Determine the Hunter Color L value on the felt covered cardboard asdescribed above for the blank felts. Record the Hunter Color L readingsfor the felt after rubbing. Rub, measure, and record the Hunter Color Lvalues for all remaining samples. After all web specimens have beenmeasured, remove and discard all felt. Felts strips are not used again.Cardboards are used until they are bent, torn, limp, or no longer have asmooth surface.

vii. Calculations

Determine the delta L values by subtracting the average initial Lreading found for the unused felts from each of the measured values forthe first-side surface and second-side surface sides of the sample asfollows.

For samples measured on both surfaces, subtract the average initial Lreading found for the unused felts from each of the three first-sidesurface L readings and each of the three second-side surface L readings.Calculate the average delta for the three first-side surface values.Calculate the average delta for the three second-side surface values.Subtract the felt factor from each of these averages. The final resultsare termed a lint for the first-side surface and a lint for thesecond-side surface of the web.

By taking the average of the lint value on the first-side surface andthe second-side surface, the lint is obtained which is applicable tothat particular web or product. In other words, to calculate lint value,the following formula is used:

${{Lint}\mspace{14mu} {Value}} = \frac{{{Lint}{\mspace{11mu} \;}{Value}},{\text{first-side} + {{Lint}\mspace{14mu} {Value}}},\text{second-side}}{2}$

For samples measured only for one surface, subtract the average initialL reading found for the unused felts from each of the three L readings.Calculate the average delta for the three surface values. Subtract thefelt factor from this average. The final result is the lint value forthat particular web or product.

Horizontal Full Sheet (HFS) Test Method

The Horizontal Full Sheet (HFS) test method determines the amount ofdistilled water absorbed and retained by a sanitary tissue product ofthe present invention. This method is performed by first weighing asample of the sanitary tissue product to be tested (referred to hereinas the “Dry Weight of the paper”), then thoroughly wetting the sanitarytissue product, draining the wetted sanitary tissue product in ahorizontal position and then reweighing (referred to herein as “WetWeight of the paper”). The absorptive capacity of the sanitary tissueproduct is then computed as the amount of water retained in units ofgrams of water absorbed by the sanitary tissue product. When evaluatingdifferent sanitary tissue product samples, the same size of sanitarytissue product is used for all samples tested.

The apparatus for determining the HFS capacity of sanitary tissueproduct comprises the following: an electronic balance with asensitivity of at least ±0.01 grams and a minimum capacity of 1200grams. The balance should be positioned on a balance table and slab tominimize the vibration effects of floor/benchtop weighing. The balanceshould also have a special balance pan to be able to handle the size ofthe sanitary tissue product tested (i.e.; a paper sample of about 11 in.(27.9 cm) by 11 in. (27.9 cm)). The balance pan can be made out of avariety of materials. Plexiglass is a common material used.

A sample support rack and sample support cover is also required. Boththe rack and cover are comprised of a lightweight metal frame, strungwith 0.012 in. (0.305 cm) diameter monofilament so as to form a grid of0.5 inch squares (1.27 cm²). The size of the support rack and cover issuch that the sample size can be conveniently placed between the two.

The HFS test is performed in an environment maintained at 23±1° C. and50±2% relative humidity. A water reservoir or tub is filled withdistilled water at 23±1° C. to a depth of 3 inches (7.6 cm).

The sanitary tissue product to be tested is carefully weighed on thebalance to the nearest 0.01 grams. The dry weight of the sample isreported to the nearest 0.01 grams. The empty sample support rack isplaced on the balance with the special balance pan described above. Thebalance is then zeroed (tared). The sample is carefully placed on thesample support rack. The support rack cover is placed on top of thesupport rack. The sample (now sandwiched between the rack and cover) issubmerged in the water reservoir. After the sample has been submergedfor 60 seconds, the sample support rack and cover are gently raised outof the reservoir.

The sample, support rack and cover are allowed to drain horizontally for120±5 seconds, taking care not to excessively shake or vibrate thesample. Next, the rack cover is carefully removed and the wet sample andthe support rack are weighed on the previously tared balance. The weightis recorded to the nearest 0.01 g. This is the wet weight of the sample.

The gram per sanitary tissue product sample absorptive capacity of thesample is defined as (Wet Weight of the paper—Dry Weight of the paper).

All documents cited in the Detailed Description of the Invention are, inrelevant part, incorporated herein by reference; the citation of anydocument is not to be construed as an admission that it is prior artwith respect to the present invention.

While particular embodiments of the present invention have beenillustrated and described, it would be obvious to those skilled in theart that various other changes and modifications can be made withoutdeparting from the spirit and scope of the invention. It is thereforeintended to cover in the appended claims all such changes andmodifications that are within the scope of this invention.

1-25. (canceled)
 26. First and second toilet tissue product packagescomprising a first toilet tissue product housed within the first toilettissue product package and a second toilet tissue product housed withina second toilet tissue product package, wherein the first toilet tissueproduct has at least two plies and exhibits a first lint value and thesecond toilet tissue product has at least two plies and exhibits asecond lint value which is different than the first lint value, andwherein the first toilet tissue product package is displayed on a storeshelf separate from the second toilet tissue product package in a waythat the first and second toilet tissue product packages are visible toa consumer during the consumer's purchasing decision process and thatare designed to be sold individually and wherein the first and secondtoilet tissue product packages each comprise a common single sourceidentifier.
 27. The toilet tissue product packages according to claim26, wherein the array further comprises at least one single-ply sanitarytissue product.
 28. The toilet tissue product packages according toclaim 27, wherein the at least one single-ply sanitary tissue productcomprises at least one value of a common intensive property that isdifferent from at least one of the two or more multi-ply sanitary tissueproducts.
 29. The toilet tissue product packages according to claim 26,wherein at least one of the first and second toilet tissue products is apattern densified fibrous structure.
 30. The toilet tissue productpackages according to claim 26, wherein the first and second toilettissue products each differ in total dry tensile strength.
 31. Thetoilet tissue product packages according to claim 26, wherein the firstand second toilet tissue products each differ in basis weight.
 32. Thetoilet tissue product packages according to claim 26, wherein at leastone of the first and second toilet tissue product packages comprises arepresentation of a texture present on the sanitary tissue productwithin the first or second toilet tissue package.
 33. The toilet tissueproduct packages according to claim 26, wherein at least one of thefirst and second toilet tissue product packages further comprises anon-verbal cue that connotes one of strength and softness.
 34. First andsecond toilet tissue product packages comprising a first toilet tissueproduct housed within the first toilet tissue product package and asecond toilet tissue product housed within a second toilet tissueproduct package, wherein the first toilet tissue product has at leasttwo plies and exhibits a first lint value and the second toilet tissueproduct has at least two plies and exhibits a second lint value which isdifferent than the first lint value, and wherein the first toilet tissueproduct package is displayed on a store shelf separate from the secondtoilet tissue product package in a way that the first and second toilettissue product packages are visible to a consumer during the consumer'spurchasing decision process and that are designed to be soldindividually and wherein the first and second toilet tissue productpackages each comprise a common single source identifier and one of thefirst and second toilet tissue product packages comprises a non-verbalcue that connotes softness.
 35. The toilet tissue product packagesaccording to claim 34, wherein the array further comprises at least onesingle-ply sanitary tissue product.
 36. The toilet tissue productpackages according to claim 35, wherein the at least one single-plysanitary tissue product comprises at least one value of a commonintensive property that is different from at least one of the two ormore multi-ply sanitary tissue products.
 37. The toilet tissue productpackages according to claim 34, wherein at least one of the first andsecond toilet tissue products is a pattern densified fibrous structure.38. The toilet tissue product packages according to claim 34, whereinthe first and second toilet tissue products each differ in total drytensile strength.
 39. The toilet tissue product packages according toclaim 34, wherein the first and second toilet tissue products eachdiffer in basis weight.
 40. The toilet tissue product packages accordingto claim 34, wherein at least one of the first and second toilet tissueproduct packages comprises a representation of a texture present on thesanitary tissue product within the first or second toilet tissuepackage.
 41. The toilet tissue product packages according to claim 34,wherein at least one of the first and second toilet tissue productpackages further comprises a non-verbal cue that connotes one ofstrength.
 42. First and second toilet tissue product packages comprisinga first toilet tissue product housed within the first toilet tissueproduct package and a second toilet tissue product housed within asecond toilet tissue product package, wherein the first toilet tissueproduct has at least two plies and exhibits a first lint value and thesecond toilet tissue product has at least two plies and exhibits asecond lint value which is different than the first lint value, andwherein the first toilet tissue product package is displayed on a storeshelf separate from the second toilet tissue product package in a waythat the first and second toilet tissue product packages are visible toa consumer during the consumer's purchasing decision process and thatare designed to be sold individually and wherein the first and secondtoilet tissue product packages each comprise a common single sourceidentifier and one of the first and second toilet tissue productpackages comprises a non-verbal cue that connotes strength.
 43. Thetoilet tissue product packages according to claim 42, wherein the arrayfurther comprises at least one single-ply sanitary tissue product. 44.The toilet tissue product packages according to claim 43, wherein the atleast one single-ply sanitary tissue product comprises at least onevalue of a common intensive property that is different from at least oneof the two or more multi-ply sanitary tissue products.
 45. The toilettissue product packages according to claim 42, wherein at least one ofthe first and second toilet tissue products is a pattern densifiedfibrous structure.
 46. The toilet tissue product packages according toclaim 42, wherein the first and second toilet tissue products eachdiffer in total dry tensile strength.
 47. The toilet tissue productpackages according to claim 42, wherein the first and second toilettissue products each differ in basis weight.
 48. The toilet tissueproduct packages according to claim 42, wherein at least one of thefirst and second toilet tissue product packages comprises arepresentation of a texture present on the sanitary tissue productwithin the first or second toilet tissue package.
 49. The toilet tissueproduct packages according to claim 42, wherein at least one of thefirst and second toilet tissue product packages further comprises anon-verbal cue that connotes one of softness.
 50. The toilet tissueproduct packages according to claim 42, wherein one of the first andsecond toilet tissue product packages comprises a non-verbal cue thatconnotes strength and the other of the first and second toilet tissueproduct packages comprises a non-verbal cue that connotes softness.